CVE-2025-25000: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-03 · updated 2026-08-10
Weakness: CWE-843

Description

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Affected products

Microsoft Edge (Chromium): before 135.0.3179.54 — fixed in 135.0.3179.54
Microsoft Edge (Chromium): from 1.0.0.0 before 135.0.3179.54 — fixed in 135.0.3179.54

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 135.0.3179.54; Microsoft Edge (Chromium) 135.0.3179.54. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-25000

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